<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="dictionaryName">
        <el-input
          v-model="queryParams.dictionaryName"
          placeholder="请输入名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择类型" clearable>
          <el-option
            v-for="dict in lc_dictionary_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['lowcode:dictionary:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['lowcode:dictionary:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['lowcode:dictionary:remove']"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['lowcode:dictionary:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="dictionaryList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="数据字典id" align="center" prop="dictionaryId" v-if="false"/>
      <el-table-column label="名称" align="center" prop="dictionaryName" />
      <el-table-column label="类型" align="center" prop="type">
        <template #default="scope">
          <dict-tag :options="lc_dictionary_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="数据内容" align="center" prop="content" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
              <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['lowcode:dictionary:edit']">修改</el-button>
              <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['lowcode:dictionary:remove']">删除</el-button>
          </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改数据字典对话框 -->
    <el-dialog :title="title" v-model="open" width="800px" append-to-body>

      <div style="width: 100%; display: flex; justify-content: space-between;">

        <el-form ref="dictionaryRef" :model="form" :rules="rules" label-width="80px" style="width: 480px;">
          <el-form-item label="名称" prop="dictionaryName">
            <el-input v-model="form.dictionaryName" placeholder="请输入名称" />
          </el-form-item>
          <el-form-item label="类型" prop="type">
            <el-select v-model="form.type" placeholder="请选择">
              <el-option
                v-for="dict in lc_dictionary_type"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="数据源" prop="databaseSourceId" v-show="form.type == '1'">
            <el-select v-model="form.databaseSourceId" placeholder="请选择">
              <el-option
                v-for="dict in lowcode_database_source"
                :key="dict.databaseSourceId"
                :label="dict.databaseSourceName"
                :value="dict.databaseSourceId"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-space fill>
            <el-alert type="info" show-icon :closable="false">
              <p v-show="form.type == '0'">JSON示例：[{"value":"1","label":"good"}]</p>
              <p v-show="form.type == '1'">SQL示例：SELECT dictionary_id AS `value`, dictionary_name AS label FROM lc_dictionary</p>
            </el-alert>
            <el-form-item label="数据内容" prop="content">
              <el-input v-model="form.content" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-space>
          <el-form-item label="备注" prop="remark">
            <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
          </el-form-item>
        </el-form>

        <div style="width: 260px;">

          <el-select placeholder="请选择" v-show="dictionaryContent">
            <el-option
              v-for="dict in dictionaryContentList"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>

        </div>
      </div>
      
      <template #footer>
        <div class="dialog-footer">
          <el-button type="success" @click="checkDictionary">预 览</el-button>
          <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Dictionary">
import { listDictionary, getDictionary, delDictionary, addDictionary, updateDictionary } from "@/api/lowcode/dictionary";
import { selectListSql } from "@/api/lowcode/sql";

const { proxy } = getCurrentInstance();
const { lc_dictionary_type } = proxy.useDict('lc_dictionary_type');
const { lowcode_database_source } = proxy.useLowcode('lowcode_database_source');

const dictionaryList = ref([]);
const open = ref(false);
const buttonLoading = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

// 实时查看
const dictionaryContentList = ref([]);
const dictionaryContent = ref(false);

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    dictionaryName: undefined,
    type: undefined,
    content: undefined,
  },
  rules: {
    dictionaryId: [
      { required: true, message: "数据字典id不能为空", trigger: "blur" }
    ],
    dictionaryName: [
      { required: true, message: "名称不能为空", trigger: "blur" }
    ],
    type: [
      { required: true, message: "类型不能为空", trigger: "change" }
    ],
    content: [
      { required: true, message: "数据内容不能为空", trigger: "blur" }
    ]
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 实时查看效果 */
function checkDictionary(){
  if(!form.value.type || !form.value.content){
    proxy.$modal.msgError("字典类型和数据内容未正常识别，请检查");
  }

  if(form.value.type == 0){
    dictionaryContentList.value = JSON.parse(form.value.content)
    dictionaryContent.value = true
  }else if(form.value.type == 1){

    selectListSql({selectListSql: form.value.content, databaseSourceId: form.value.databaseSourceId}).then(response => {
      dictionaryContentList.value = response.data
      dictionaryContent.value = true
    });
  }
  
}

/** 查询数据字典列表 */
function getList() {
  loading.value = true;
  listDictionary(queryParams.value).then(response => {
    dictionaryList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  dictionaryContentList.value = []
  dictionaryContent.value = false
  form.value = {
    dictionaryId: null,
    dictionaryName: null,
    type: null,
    content: null,
    delFlag: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null,
    remark: null
  };
  proxy.resetForm("dictionaryRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.dictionaryId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加数据字典";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  loading.value = true
  reset();
  const _dictionaryId = row.dictionaryId || ids.value
  getDictionary(_dictionaryId).then(response => {
    loading.value = false;
    form.value = response.data;
    open.value = true;
    title.value = "修改数据字典";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["dictionaryRef"].validate(valid => {
    if (valid) {
      buttonLoading.value = true;
      if (form.value.dictionaryId != null) {
        updateDictionary(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        }).finally(() => {
          buttonLoading.value = false;
        });
      } else {
        addDictionary(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        }).finally(() => {
          buttonLoading.value = false;
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _dictionaryIds = row.dictionaryId || ids.value;
  proxy.$modal.confirm('是否确认删除数据字典编号为"' + _dictionaryIds + '"的数据项？').then(function() {
    loading.value = true;
    return delDictionary(_dictionaryIds);
  }).then(() => {
    loading.value = true;
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {
  }).finally(() => {
    loading.value = false;
  });
}

/** 导出按钮操作 */
// function handleExport() {
//   proxy.download('lowcode/dictionary/export', {
//     ...queryParams.value
//   }, `dictionary_${new Date().getTime()}.xlsx`)
// }

getList();
</script>
